Perhaps you should try some spelling variations:
international policy » international poverty, international prices, national policy
"international political economic series" » "international political economy series", "international ecological economics series", "international political economic services", "international political economic theories", "international political economic surveys"
"International policy economic survey" » "International policy economic surveys", "International policy economic security", "International policy economic studies"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("international political economic series") or ("International policy economic survey"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international political economic series") OR ("International policy economic survey")).
• Removing quotes may allow a broader search: (( international political economic series ) or ( International policy economic survey )).
• Adding a wildcard symbol may retrieve word variants: (("international political economic series") or ("International policy economic survey"))*.